===================================================================
--- original.js
+++ change.js
@@ -122,9 +122,10 @@
 // Create the hero
 hero = game.addChild(new Hero());
 hero.x = 2048 / 2;
 hero.y = 2732 - 150; // Start above the bottom of the screen
-// Create initial poles
+// Create initial poles and setup a timer for collapsing cubes
+var lastCollapseTime = 0;
 function createInitialPoles() {
 	var poleSpacing = 2;
 	var poleWidth = 100 + poleSpacing;
 	var numPoles = Math.ceil(2048 / poleWidth);
@@ -132,14 +133,14 @@
 		var pole = game.addChild(new Pole());
 		pole.x = i * poleWidth;
 		pole.y = 2732 - 50; // Align base of pole with bottom of the screen and raise by 50 pixels
 		for (var j = 0; j < 10; j++) {
-			// Add 9 cubes to each pole and one collapsing cube to make them higher
-			var isCollapsing = j === 9; // Make the top cube a collapsing cube
-			pole.addCube(isCollapsing);
+			// Add 9 cubes to each pole
+			pole.addCube(false);
 		}
 		poles.push(pole);
 	}
+	lastCollapseTime = LK.ticks;
 }
 createInitialPoles();
 // Event listener for jump action
 game.on('down', function (obj) {
@@ -175,9 +176,9 @@
 			newPole.addCube();
 		}
 		poles.push(newPole);
 	}
-	// Move poles to the left to simulate hero running and make cubes fall after passing the middle
+	// Move poles to the left to simulate hero running, make cubes fall after passing the middle, and add collapsing cubes every 30 seconds
 	for (var i = 0; i < poles.length; i++) {
 		poles[i].x -= 5;
 		if (poles[i].x < 2048 / 2 && !poles[i].hasMadeCubesFall) {
 			poles[i].makeCubesFall();
@@ -187,5 +188,12 @@
 		for (var j = 0; j < poles[i].cubes.length; j++) {
 			poles[i].cubes[j].update();
 		}
 	}
+	// Check if 30 seconds have passed to add a collapsing cube
+	if (LK.ticks - lastCollapseTime >= 1800) {
+		// 30 seconds at 60FPS
+		var randomPoleIndex = Math.floor(Math.random() * poles.length);
+		poles[randomPoleIndex].addCube(true);
+		lastCollapseTime = LK.ticks;
+	}
 });
\ No newline at end of file